Cannes is as high profile as film festivals get so your first starring role in a buzzy feature could really make waves. Consider... Karl Glusman. He's the male star of Gaspar Noé's Love, the already buzzy sex film that gets a special screening at Cannes. He has a few credits in shorts and several on stage, plus voice work in a Starship Troopers film but he's still an unknown quantity. 2015 will be his first year in the movies proper so it could well start with a bang.
Gaspar Noé calls him
...the collest actor I have ever met. He is daring, joyful and intelligent. He has love scenes throughout the whole movie. He is the ultimate 3D baby maker."
Glusman photos (one NSFW) and videos after the jump...